US lawMichiganRegulationsDepartment — Labor and Economic OpportunityBureau — MIOSHAR 325.50091 to 325.50093 — Part 312. 1,3 - Butadiene325.50093R 325.50093R 325.50093 Rescinded.RepealedLast amended: 2021Year: 2026Length: 1 wordsOfficial source Cite as Mich. Admin. Code R 325.50093Rescinded.PreviousR 325.50092